Can you please provide more detail on the spec of this or alternatively, would you like an hourly rate?
I agree with TU. It's impossible to bid on a job if details of what's required are not posted.
Can post any of the task details here. So people can read details and bid appropriately
The Case Study is a short task that is a taste of what the full Job will be like and
gives you the opportunity to show the Buyers your skills.
Keep in mind that you have more chances to win a Job with Case Study as fewer Sellers will send a proposal.
Moreover the Buyer has already paid a fee for it, which shows that they seriously intend to award the Job.